Hottest Questions This Week

9

votes

3

answers

665

views

What does a comma signify in inorganic chemistry?

modified yesterday andselisk♦ 22k

14

votes

1

answer

509

views

Why does this image of cyclocarbon look like a nonagon?

organic-chemistry carbon-allotropes

answered yesterday orthocresol♦ 42.8k

7

votes

2

answers

272

views

Is there a commercial liquid with refractive index greater than n=2?

analytical-chemistry

answered 4 hours ago Nilay Ghosh 10.3k

7

votes

2

answers

626

views

Why is tert-butoxide often used in elimination reactions when it is not necessary?

organic-chemistry synthetic-chemistry

answered Aug 13 at 19:16 William R. Ebenezer 1,744

6

votes

2

answers

276

views

Why is the Lucas test not recommended to differentiate higher alcohols?

organic-chemistry alcohols

modified Aug 14 at 5:54 Om Nom 87

5

votes

1

answer

234

views

Is the equation dG = Vdp − SdT valid only for a reversible process? Can it be applied for an irreversible one too?

physical-chemistry thermodynamics

modified Aug 12 at 18:34 andselisk♦ 22k

6

votes

1

answer

94

views

How does the energy released during a bond formation typically manifest itself on atomic level?

inorganic-chemistry

modified Aug 14 at 20:31 andselisk♦ 22k

2

votes

1

answer

78

views

Why must the total increase in oxidation numbers equal the total decrease of them in redox reactions?

redox

modified 6 hours ago Poutnik 4,215

4

votes

2

answers

28

views

Is “stainless” a bulk or a surface property of stainless steel?

metallurgy surface-chemistry corrosion

answered 3 hours ago James Gaidis 3,500

2

votes

1

answer

64

views

Coordinate bonds between molecules

inorganic-chemistry bond

answered Aug 12 at 17:14 William R. Ebenezer 1,744

1

vote

1

answer

93

views

Finding the isotherm with given minima

physical-chemistry thermodynamics

modified 11 hours ago theorist 828

0

votes

1

answer

65

views

How do I solve this problem on Mole balance?

inorganic-chemistry physical-chemistry stoichiometry mole metallurgy

answered Aug 14 at 14:35 Om Nom 87

4

votes

1

answer

63

views

Finding mathematically the ground state density in DFT

quantum-chemistry computational-chemistry theoretical-chemistry density-functional-theory

modified 21 hours ago Erik Kjellgren 1,537

1

vote

2

answers

49

views

Can I normalize my data in order to compare it?

analytical-chemistry chromatography proteins

answered 2 days ago M. Farooq 5,541

0

votes

1

answer

43

views

Preserved flowers in epoxy resin [on hold]

biochemistry

answered Aug 15 at 4:41 DrMoishe Pippik 16.3k

0

votes

1

answer

42

views

Synthesis of copper selenide

inorganic-chemistry synthesis

modified 22 hours ago Waylander 8,519

0

votes

1

answer

53

views

Which compound has resonance structures? [on hold]

resonance

modified Aug 14 at 2:05 StackUpPhysics 175

0

votes

1

answer

56

views

Symmetry Space Group Diagram

crystal-structure crystallography

answered yesterday Karsten Theis 9,282

0

votes

1

answer

56

views

H and H- atomic and ionic radius

hydrogen atomic-radius

answered 21 hours ago Buck Thorn 5,438

4

votes

1

answer

42

views

Searching for a solvent with a low carbon dioxide solubility

solubility carbon-dioxide

modified 2 days ago mranvick 21

2

votes

0

answers

67

views

What produces this NMR spectrum? [on hold]

nmr-spectroscopy

asked Aug 14 at 0:50 MachZehnderEtalon 16

5

votes

0

answers

52

views

Why does ethene not disintegrate upon excitation?

electronic-configuration photochemistry

asked Aug 13 at 9:09 Ethene 26

5

votes

1

answer

31

views

Atmospheric methane to carbon

radicals

modified 4 hours ago Karl 6,906

-1

votes

1

answer

29

views

How to estimate the maximum chlorine hazard from 1 g of Palladium(II) chloride? [on hold]

safety electrolysis

answered Aug 13 at 3:03 DrMoishe Pippik 16.3k

0

votes

1

answer

46

views

Why the formation of PH4+ is difficult compared to NH4+?

inorganic-chemistry orbitals

modified 2 days ago Oscar Lanzi 18.4k

0

votes

1

answer

27

views

Doubts Regarding Ceric Ammonium Nitrate Test for Alcohols

organic-chemistry alcohols

answered Aug 13 at 19:08 TAR86 5,342

-1

votes

1

answer

34

views

Is it possible to predict release of acid fumes in certain acid reactions? [on hold]

reaction-mechanism experimental-chemistry reaction-control

modified 2 days ago Poutnik 4,215

1

vote

1

answer

39

views

Why potential energy is neglected in this problem for calculating the energy difference between two stationary Bohr Orbits? [on hold]

energy atomic-structure

answered Aug 15 at 5:04 Om Nom 87

0

votes

1

answer

39

views

Can you heat something at alcohol bath?

experimental-chemistry distillation

answered 3 hours ago SteffX 2,447

0

votes

0

answers

50

views

Preparation of 3-ethylpentan-3-ol

organic-chemistry grignard-reagent synthetic-chemistry

modified Aug 14 at 1:50 user55119 5,244

5

votes

0

answers

36

views

Cauchy-Schwarz integral screening different inequalites

quantum-chemistry computational-chemistry theoretical-chemistry

modified 2 days ago Erik Kjellgren 1,537

-3

votes

1

answer

35

views

How to avoid cannizaro reaction during aldol reaction? [on hold]

organic-chemistry aldol-reaction

answered Aug 14 at 6:23 Om Nom 87

1

vote

1

answer

44

views

Do external electronic shells influence internal ones?

orbitals electronic-configuration atomic-radius

modified 2 days ago Oscar Lanzi 18.4k

0

votes

0

answers

43

views

Purifying Potassium-40

purification radioactivity chemical-engineering

asked Aug 13 at 17:34 James Li 2

-1

votes

0

answers

43

views

Correlation between dipole moment and stability

quantum-chemistry dipole

asked Aug 14 at 4:46 Bobik 14

-1

votes

1

answer

26

views

How should I interpret and present my total protein amount? [on hold]

purification proteins

answered Aug 14 at 12:10 Andrew 2,361

1

vote

1

answer

20

views

CO-vibration in metal carbonyl

transition-metals ir-spectroscopy carbonyl-complexes

modified Aug 13 at 14:06 andselisk♦ 22k

1

vote

0

answers

42

views

Calculating ionic strength and pH of a buffer solution [on hold]

organic-chemistry inorganic-chemistry physical-chemistry electrochemistry ph

modified Aug 13 at 17:39 Liam 346

1

vote

0

answers

39

views

Electronic configuration of Co³⁺

electronic-configuration

modified yesterday Engineer 8

3

votes

1

answer

18

views

Can sulfuric acid itself be electrolysed?

electrochemistry electrolysis

modified 13 mins ago Mathew Mahindaratne 10.9k

2

votes

0

answers

38

views

Number of stereoisomers of polysubstituted cubane

organic-chemistry stereochemistry molecular-structure isomers symmetry

modified yesterday andselisk♦ 22k

3

votes

1

answer

29

views

What are the equations giving the molar flow of different molecules linked by a reaction?

experimental-chemistry kinetics

modified Aug 14 at 22:23 Hexacoordinate-C 3,051

4

votes

0

answers

37

views

Which is more basic: oxaziridine or diaziridine?

organic-chemistry acid-base amines

modified 10 hours ago andselisk♦ 22k

0

votes

0

answers

36

views

Reacting ZnSO4 with KCl

reaction-mechanism aqueous-solution solubility

modified Aug 12 at 21:15 user79161 348

1

vote

1

answer

28

views

Partial dissolution of non-polar solutes in polar solvents

organic-chemistry solubility polarity

answered 22 hours ago Buck Thorn 5,438

-1

votes

0

answers

35

views

How to separate tin from unknown elements? [closed]

elements elemental-analysis

asked Aug 12 at 18:42 Mahdi Jazini 99

-1

votes

0

answers

35

views

H-1 and H-2 comparison

ionization-energy atomic-structure

modified yesterday Engineer 8

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